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sonnen Suppliers

The sonnen Operation Center in the energy village of Wildpoldsried

Building strong relationships with our contractors and suppliers is essential to delivering new projects and running our operations. In line with our Shell General Business Principles and Supplier principles, we seek to work with contractors and suppliers who contribute to sustainable development and are economically, environmentally and socially responsible.


Here you will find all relevant documents on purchasing and logistics as a supplier.

Terms and Conditions of Purchase

Quality Assurance Agreement


Global Helpline

Our Global Helpline allows employees and stakeholders to raise concerns and report instances of potential non-compliance with our values and principles.

To ensure we are aware of and responding to all such suspected violations, the Shell Business Integrity Department bundles and manages the Shell Helpline for sonnen and retains NAVEX Global, an independent firm, to receive, via Internet and telephone lines, information, and complaints regarding possible violation of laws, regulations, the Shell Code of Conduct and the SGBP.

Reports received via the Shell Helpline will be passed to authorized persons within sonnen and be dealt with in a professional and confidential manner. Reporters will be asked to provide their identity to enable your query or concern to be handled most effectively, but anonymous reports will be accepted. The Helpline is available to customers, suppliers, partners, advisors, and employees of Shell.

What is the Shell Global Helpline?

The Global Helpline enables Shell employees and others to raise concerns or dilemmas, or to seek advice on a matter related to compliance with the law and our business principles (SGBP) and Code of Conduct, in full confidence and without fear of retaliation.

Who can use the Global Helpline?

The Global Helpline is for all employees and contract staff in Shell and for third parties with whom Shell has a business relationship (such as customers, suppliers, agents) if they observe wrongdoing by a Shell company or employee.

The Global Helpline as well as further background information can be found at the following link: https://www.shell.com/about-us/our-values/shell-global-helpline.html

Please note that this facility is not for customer service complaints or enquiries.